helix spiral earring cartilage barbell 16g 5/16 ear gauges h rook tragus Piercing BEDV 2 pieces of appealing spiral barbell twister bar. Thickness : 16g (1.2mm) , Diameter : 5/16" (8mm), Ball size : 3mm balls High polish Stainless Steel, Premium Grade 316L Surgical Stainless Steel Unique glitter hand-painted design, can't find from anywhere Exactly as picture shown and will pack in the gorgeous jewelry box or pouch at no extra cost.